-64.13% is the change from 828 to 297
Calculation steps:
[( 297 - 828 ) ÷ 828] x 100 = -64.13%
Formula
Percentage change = [(297 - 828) / 828] x 100
Subtract the new number by the original number
297 - 828 = -531
-531 ÷ 828 = -0.6413043478260869
-0.6413043478260869 x 100 = -64.13%